Folding knife



FIG. 1 is a right side perspective view of a folding knife in accordancewith the present invention;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is an end view thereof as looking right to left in FIG. 3;

FIG. 5 is an end view thereof as looking left to right in FIG. 3;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

CLAIM The ornamental design for a folding knife, as shown and described.